What Is Nagios?

Nagios is an open source system, network, application monitoring system. Nagios is designed to be run on Linux operating system or distributions like Ubuntu, Debian, CentOS etc.

Architecture and Components

Nagios is not a single component to run. Nagios is actually a suite which provides following components.

Nagios IX

Nagios IX is the core of the Nagios suite where it providing core monitoring features. Nagios IX can monitor IT infrastructure and provides visibility. It have plugin and scripting feature which can be used to customization.

Nagios IX

Nagios Log Server

Nagios Log Server is used as its name suggests collecting logs from different IT components. We can view logs in real time and quickly analyze them to solve problems.

Nagios Log Server

Nagios Fusion

Nagios Fusion is more concentrate solutions to find and solve problems in an IT infrastructure. It can be integrated with Nagios Log and Nagios IX. We can see problems in a glance easily. It also provides outage visibility.

Nagios Fusion

Nagios Network Analyzer

Nagios Network Analyzer provides in-depth and packet level look to the network traffic with source, destination IP address and ports. We can get detailed information about network stats.

Nagios Network Analyzer

Licensing and Pricing

Nagios IX

Nagios IX have two licensing options and editions.

Standard Edition

Starts from $1,995 and have features like GUI configuration, Advenced Reporting, Custom User Views etc.

Enterprise Edition

Starts from $3,495 and have features in Standard Edition plus Scheduled Reports, Audit Logging, SLA Reports

Nagios Log Server

Single Instance

Starts From $3,995 and have features Advanced queries and filtering, Unlimited users, Automatic snapshot and backup